Walmart offers the Toshiba Nano Wireless Laser Mouse, model no. PA3745U-1ETZ, for $12. Shipping adds 97 cents, or choose free Site-to-Store. Even with shipping, that’s the lowest total price we could find by $17. Sales tax is added where applicable. It features a micro USB receiver, symmetrical shape for left- or right-handed users, 1,600dpi sensor, and more.

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